button { 

align="center"
 border: none; 


 background: #3a7999; 


 color: #f2f2f2; 


 padding: 10px; 


 font-size: 18px; 


 border-radius: 5px; 


 position: relative; 


 box-sizing: border-box; 


 transition: all 500ms ease; 


} 





.boton{
background-color: #2dc234;
background-image: -webkit-linear-gradient(rgba(41, 150, 47, .8), rgba(45, 194, 52, .2));
background-image: -moz-linear-gradient(rgba(41, 150, 47, .8), rgba(45, 194, 52, .2));
background-image: -o-linear-gradient(rgba(41, 150, 47, .8), rgba(45, 194, 52, .2));
background-image: linear-gradient(rgba(41, 150, 47, .8), rgba(45, 194, 52, .2));
-ms-border-radius:8px;
-webkit-border-radius: 8px;
-moz-border-radius: 8px;
border-radius: 8px;
-webkit-box-shadow: 0 8px 0 #197b1d, 0 10px 20px rgba(0, 0, 0, .4);
-moz-box-shadow: 0 8px 0 #197b1d, 0 10px 20px rgba(0, 0, 0, .4);
box-shadow: 0 8px 0 #197b1d, 0 10px 20px rgba(0, 0, 0, .4);
color: #fff;
display: inline-block;
font-family: ‘Pacifico’, Arial, sans-serif;
font-size: 30px;
line-height: 1;
padding: 15px 25px;
text-decoration: none;
text-shadow: 0 -1px 1px rgba(25, 123, 29, .7);

}

<style type="text/css">
  .boton_1{
    text-decoration: none;
    padding: 3px;
    padding-left: 10px;
    padding-right: 10px;
    font-family: helvetica;
    font-weight: 300;
    font-size: 25px;
    font-style: italic;
    color: #006505;
    background-color: #82b085;
    border-radius: 15px;
    border: 3px double #006505;
  }
  .boton_1:hover{
    opacity: 0.6;
    text-decoration: none;
  }
</style>